@shard-auth/client/dist/simple-signature.js

Next-generation API authentication without secret keys - MPC-based authentication with FROST threshold signatures

"use strict";
/**
 * 簡略化された署名実装（テスト用）
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.initSimpleSignature = initSimpleSignature;
exports.setShareForSigning = setShareForSigning;
exports.createSimpleSignature = createSimpleSignature;
const simple_frost_1 = require("./frost/simple-frost");
// グローバルな署名情報（実際は通信で共有）
let currentShares = {};
function initSimpleSignature() {
    currentShares = {};
}
function setShareForSigning(share) {
    const shareValue = BigInt('0x' + share.share.toString('hex'));
    if (share.index === 1) {
        currentShares.share1 = shareValue;
    }
    else {
        currentShares.share2 = shareValue;
    }
}
async function createSimpleSignature(message, publicKey) {
    if (!currentShares.share1 || !currentShares.share2) {
        throw new Error('Both shares required for signing');
    }
    const { r, s } = await simple_frost_1.SimpleFROST.sign(currentShares.share1, currentShares.share2, message);
    return {
        r,
        s,
        async verify(msg, pubKey) {
            return simple_frost_1.SimpleFROST.verify(r, s, msg, pubKey);
        }
    };
}
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